62c8d198-122b-4219-a15c-c1e2ca0eaa6a English series series 2026-05-18T15:06:12 MEDIN 3.1.2 biota environment geoscientificInformation oceans Sediment grain size parameters SeaDataNet Parameter Discovery Vocabulary 2026-04-23 revision Habitat characterisation SeaDataNet Parameter Discovery Vocabulary 2026-04-23 revision Habitat extent SeaDataNet Parameter Discovery Vocabulary 2026-04-23 revision Pre-Construction monitoring The Crown Estate Renewable Energy Development Phases 2012-05-15 revision Renewable Energy Lease area The Crown Estate Renewable Energy Development Areas 2012-05-15 revision Offshore Cable Corridor The Crown Estate Renewable Energy Development Areas 2012-05-15 revision Soil GEMET - INSPIRE themes, version 1.0 2009-07-31 revision Species distribution GEMET - INSPIRE themes, version 1.0 2009-07-31 revision SeaVoX Vertical Co-ordinate Coverages 2020-05-21 revision soil and sediment SeaVoX Vertical Co-ordinate Coverages 2020-05-21 revision water column 2012-05-17T00:00:00 2012-06-20T00:00:00 -3.67077555367112 -3.37847393600045 53.9412118266925 54.1279117469857 TCE-2289 Marine Data Exchange 2012, CMACS, West of Duddon Sands, Benthic Baseline Survey Benthic Baseline Survey 2013-07-12T00:00:00 creation 2021-05-17T14:12:43 publication English Centre for Marine and Coastal Studies Ltd (CMACS) was appointed by JV West of Duddon Sands Ltd (JV WoDS) to undertake baseline benthic ecological characterisation surveys for the West of Duddon Sands Offshore Wind Farm (WoDS OWF). The overall aim of the survey was to obtain baseline data on the subtidal benthic environment (specifically benthic macroinvertebrate infauna and sediments) to support a programme of monitoring to meet conditions set out in the project FEPA Licence (deemed Marine Licence) 33317/10/01. The survey was undertaken as a combined mobilisation with monitoring at Walney I and II and Ormonde offshore wind farms. Offshore survey work at WoDS commenced on 20 May and was completed on 20 June 2012. There will be no limitations when published on the Marine Data Exchange otherRestrictions Data Must be used in accordance to the Marine Data Exchange's Terms of Use: https://www.marinedataexchange.co.uk/content/info/terms-of-use otherRestrictions The Crown Estate +44 020 7851 5000 enquiries@thecrownestate.co.uk custodian Centre for Marine and Coastal Studies Ltd +44 (0)151 327 7177 info@cmacsltd.co.uk originator The Crown Estate +44 020 7851 5000 enquiries@thecrownestate.co.uk distributor Orsted info@orsted.com owner unknown Documents https://www.marinedataexchange.co.uk/details/TCE-2289/summary A link to the web service or dataset. https://www.marinedataexchange.co.uk A link to the general host site. Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services 2010-12-08T00:00:00 publication Conformity with the Commission Regulation (EU) No 1089/2010 was either not relevant to this dataset or not a requirement of the Marine Data Exchange for the creation and submission of this dataset; therefore, conformity has not been assessed and cannot be declared False series The camera survey took place between the 17th May and 22nd of June 2012. To obtain good quality imagery the survey was targeted at neap tides following periods of settled weather to ensure as far as possible that sediment in the water column had settled out of suspension. A drop down camera with clearwater housing suitable for use in low visibility/high turbidity environments was deployed to the seabed, whilst the vessel was held stationery over the target using the vessel’s DGPS and DP systems. The lead biologist captured and logged stills and video imagery from each site in addition to associated data such as depth, time and brief notes on the sediment type and any identifiable epifauna. The camera was deployed three times within approximately 1-5m of each target position. Particular attention was paid for the potential presence of any Annex 1 habitat or rare/sensitive species. In addition to the nineteen camera locations, four 300m camera transects crossing the proposed cable routes (A, B, C and D) perpendicularly were surveyed. Video footage was obtained along the length of the 300m transects with still images taken every 10m. At least 31 images were taken for each transect. Field observations were recorded as for the camera survey methods mentioned above. The four transects are displayed in Figure 4: Camera transect locations along the proposed cable route. Grab sampling was undertaken with a 0.1m2 Day grab at all stations between the 30th May and 20th June. A standard weighted Day grab with a 0.1m2 sample area was used for all sediment sampling. The majority of samples were collected from within 5m of the target location. Triplicate grab samples were acquired from each site. Upon retrieval of each grab sample the position, date, time and water depth were recorded, along with a description of the volume of sample and the sediment type. A digital photograph of each faunal grab sample was taken prior to any sieving. Notes were made on sediment type, colour, volume and any species of note in each grab sample (Appendix 2). Grab samples of less than 5 litres (or 2.5 litres on hard-packed sands) in volume were rejected. Samples were also rejected if the grab jaws were not properly closed. After initial observations and photographs a representative subsample of approximately 500ml was removed using a clean plastic scoop for particle size analysis (PSA) and total organic carbon (TOC) analysis. All sediment samples were kept as cold as possible and frozen immediately upon arrival at the CMACS Eastham laboratory. ABP Marine Environmental Research Ltd 02380711840 enquiries@abpmer.co.uk pointOfContact EPSG Geodetic Parameter Registry 2022-12-12 revision WGS 84 / UTM zone 30N